Where does Iseki & Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Iseki & Co., Ltd. ranks #6,547 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Iseki & Co., Ltd. hold?

Iseki & Co., Ltd. holds 51 US utility patents granted between 2015 and 2024, spanning 29 technology areas.

What is Iseki & Co., Ltd.'s Innovation Score?

Iseki & Co., Ltd. has an Innovation Score of 42.2 out of 100 (top 31% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Iseki & Co., Ltd.'s patent grant rate increasing or decreasing?

Iseki & Co., Ltd.'s recent grant velocity is -54% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Iseki & Co., Ltd.'s patents?

Iseki & Co., Ltd.'s patents average 5.7 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Iseki & Co., Ltd. patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Iseki & Co., Ltd.

Q: What technology areas does Iseki & Co., Ltd. focus on?

Iseki & Co., Ltd.'s top technology area is B60K (Arrangement OR Mounting OF Propulsion Units OR OF Transmissions IN VEHICLES; Arrangement OR Mounting OF Plural Diverse Prime-movers IN VEHICLES; Auxiliary Drives FOR VEHICLES; Instrumentation OR Dashboards FOR VEHICLES; Arrangements IN Connection With Cooling, AIR Intake, GAS Exhaust OR Fuel Supply ) with 21 patents, ranking #167 of 1,448 assignees active in that subclass. Grants appear in 29 CPC subclasses total.

USPTO PatentsView assignee record - 51 granted patents across 29 technology areas, recorded in grant years 2015–2024. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: B60K (Arrangement OR Mounting OF Propulsion Units OR OF Transmissions IN VEHICLES; Arrangement OR Mounting OF Plural Diverse Prime-movers IN VEHICLES; Auxiliary Drives FOR VEHICLES; Instrumentation OR Dashb).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Iseki ranks #6,547 of 49,997 tracked US assignees by granted-patent volume, with 51 patents across 29 technology areas.

#6,547
of 49,997 US assignees by volume: Top 31%
by Innovation Score (42.2/100): 5.7
avg claims per patent: -54%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R6547 · Foreign Corporation #6,547 · 51 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 51 grants
UPPER-Q #6,547/49,997
PHOTO-FINISH Imprivata
CPC-FOCUS B60K · 29 areas
INNOV-PAR 42.2/100
CLAIMS-SPARSE 5.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -54% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Imprivata, Inc. (±0 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

How Iseki’s 42.2 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 13.6 pts (32%) Velocity 6.1 pts (14%) Breadth 19.0 pts (45%) Claim depth 3.4 pts (8%)

Qualcomm Incorporated · highest

85
Iseki & · this assignee

42
Medtronic PS Medical · near

42
Seven Bridges Genomics · near

42
Sybase · near

42
Tatsuno · near

42
3D Lighting… · lowest

7

What this shows Iseki's Innovation Score is 42.2/100 (top 31% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Does more volume mean deeper claims for Iseki?

Each dot is one of Iseki’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Iseki’s own 5.7 claims/patent is at or below the 20.7 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Iseki vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Iseki's grants concentrate

Iseki & Co., Ltd. is a focused PatentsView assignee: 29 CPC subclasses with 41.2% of grants classified under B60K (Arrangement OR Mounting OF Propulsion Units OR OF Transmissions IN VEHICLES; Arrangement OR Mounting OF Plural Diverse Prime-movers IN VEHICLES; Auxiliary Drives FOR VEHICLES; Instrumentation OR Dashb). Peak complete grant year is 2015 (11 grants) versus a trough of 1 in 2021. By volume, Iseki sits between Inergy Automotive Systems Research (Societe Anonyme) and Komatsu Industries Corporation.

Iseki's three-year grant acceleration

Iseki & Co., Ltd. shows 11 grants in 2022–2024 against only 12 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Inergy Automotive…

51
Inha-industry Par…

51
Integrity Securit…

51
IP Reservoir

51
Itron Networked S…

51
Imprivata

51
Infirst Healthcare

51
Komatsu Industries

51
Iseki & ◀

51

What this shows Iseki holds 51 patents at rank #6,545, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Iseki

By rank, the assignees closest to #6,545 in granted patent volume.

Leaders in B60K (Arrangement OR Mounting OF Propulsion Units OR OF Transmi…)

Other assignees with the most granted patents in Iseki's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Iseki, neither rank-band nor same-CPC leaders (those blocks stay above). In B60K (Arrangement OR Mounting OF Propulsion Units OR OF Transmi…), Iseki ranks #167 of 1,448 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (42 here).

Medtronic PS Medical, Inc. 42 Seven Bridges Genomics Inc. 42 Sybase, Inc. 42 Tatsuno Corporation 42

Similar claim depth

Nearest assignees by average claims per patent (5.7 here).

Hong ANN Tool Industries Co., Ltd. 5.7 avg Keihin Corporation 5.7 avg Microsoft Corporation 5.7 avg Hino Motors, Ltd. 5.7 avg

Iseki's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

42 Top 31% higher than 69% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2015–2024

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Iseki & Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	11	21.6%
2016	7	13.7%
2017	2	3.9%
2018	8	15.7%
2019	7	13.7%
2020	4	7.8%
2021	1	2.0%
2022	5	9.8%
2023	4	7.8%
2024	2	3.9%

Which technologies does Iseki & Co., Ltd. patent most?

B60K - Arrangement OR Mounting OF Propulsion Units OR OF Transmissions IN VEHICLES; Arrangement OR Mounting OF Plural Diverse Prime-movers IN VEHICLES; Auxiliary Drives FOR VEHICLES; Instrumentation OR Dashboards FOR VEHICLES; Arrangements IN Connection With Cooling, AIR Intake, GAS Exhaust OR Fuel Supply 21

B60Y - Indexing Scheme Relating TO Aspects Cross-cutting Vehicle Technology 19

B62D - Motor VEHICLES; Trailers 11

F16H - Gearing 9

B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR 6

F16D - Couplings FOR Transmitting ROTATION; CLUTCHES; Brakes 5

B60W - Conjoint Control OF Vehicle Sub-units OF Different Type OR Different FUNCTION; Control Systems Specially Adapted FOR Hybrid VEHICLES; Road Vehicle Drive Control Systems FOR Purposes NOT Related TO THE Control OF A Particular Sub-unit 5

A01B - Soil Working IN Agriculture OR FORESTRY; Parts, Details, OR Accessories OF Agricultural Machines OR Implements, IN General 5

F01N - Gas-flow Silencers OR Exhaust Apparatus FOR Machines OR Engines IN GENERAL; Gas-flow Silencers OR Exhaust Apparatus FOR Internal-combustion Engines 4

E02F - DREDGING; Soil-shifting 4

B60T - Vehicle Brake Control Systems OR Parts THEREOF; Brake Control Systems OR Parts Thereof, IN General ; Arrangement OF Braking Elements ON Vehicles IN GENERAL; Portable Devices FOR Preventing Unwanted Movement OF VEHICLES; Vehicle Modifications TO Facilitate Cooling OF Brakes 4

Y10T - Technical Subjects Covered BY Former US Classification 3

Y02T - Climate Change Mitigation Technologies Related TO Transportation 3

A01D - HARVESTING; Mowing 3

G05D - Systems FOR Controlling OR Regulating Non-electric Variables 3

Top 15 of 29 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Iseki & Co., Ltd.'s patent record in context - here's where to go next.

Iseki & Co., Ltd.'s lead technology class is B60K (Arrangement OR Mounting OF Propulsion Units OR OF Transmissions IN VEHICLES; Arrangement OR Mounting OF Plural Diverse Prime-movers IN VEHICLES; Auxiliary Drives FOR VEHICLES; Instrumentation OR Dashb), 41.2% of its portfolio - see every assignee active in that class. Explore B60K
Ranked #6,547 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Iseki & Co., Ltd. against Inergy Automotive Systems Research (Societe Anonyme), an assignee filing at a similar volume. Compare portfolios
Innovation Score of 42.2/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent, US Patent Intelligence Editorial Process · May 15, 2026

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.